16
Fig. 17
Fig. 19
3 Replacing the Fine Adjustment Knob
(Fig. 17)
The fine adjustment knob has been attached on the left side at
the factory.
} The fine adjustment knob is designed detachable to prevent interference
with hand during manipulation of the X-and Y-axis knobs.
Usually attach the fine adjustment knob on the opposite side to the X- and
Y-axis knobs.
1. Pull and remove the rubber cap @ from the fine adjustment knob.
2. Using the Allen screwdriver, loosen the clamping screw 2 and remove
the fine adjustment knob 3.
3. Remove the seal from the fine adjustment knob screw hole on the other
side and attach the knob by reversing the removal procedure.
4. Attach a provided seal on the screw hole 5 of the fine adjustment dial
|, from which the fine adjustment knob has been removed.
} The fine adjustment dial | can be operated with your fingertip or finger
surface at the same time as manipulating the X- and Y-axis knobs.
4
Adjusting the Coarse Adjustment Knob Tension
(Fig. 18)
Adjust the coarse adjustment knob tension using the tension
adjustment ring @.
The coarse adjustment knob tension is preadjusted for easy use. However,
if desired, you can change the tension using the tension adjustment ring
@. Turning the ring in the direction of the arrow increases tension, and
vice versa.
The tension is too low if the stage drops by itself of focus is quickly lost
after adjustment with the fine adjustment knob. In this case, turn the ring
in the direction of the arrow to increase tension.
5 Pre-focusing Lever
(Fig. 19)
} The pre-focusing lever ensures that the objective does not come in contact
with the specimen and simplifies focusing.
After focusing on the specimen with the coarse adjustment knob, turn this
lever @ in the direction of the arrow and lock; the lower limit on coarse
adjustment movement is set at the locked position.
After changing a specimen, approximate refocusing is easily accomplis-
hed by rotating the coarse adjustment knob to reach the pre-focused
position. After this, all you have to do is make fine adjustments with the
fine adjustment knob.
} The objective’s vertical movement activated by the fine adjustment knob
is not locked.
} When the pre-focusing lever is locked, a coarse movement stroke is
reduced due to the microscope’s mechanism, causing the revolving
nosepiece not to be able to be lowered to the lower limit. To lower the
revolving nosepiece to the lower limit, release the pre-focusing lever.
1
2
3
5
4
1
CAUTION
CAUTION
Fig. 18
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